Find the critical​ values, t0​, to test the claim that μ1=μ2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that σ21≠σ22. Use α=0.05.   n1=​25, n2=​30, x1=32​, x2=30​, s1=​1.5, s2=1.9   A. ±2.492   B. ±2.797   C. ±1.711   D. ±2.064

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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Find the critical​ values, t0​, to test the claim that μ1=μ2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that σ21≠σ22. Use α=0.05.
 
n1=​25,
n2=​30,
x1=32​,
x2=30​,
s1=​1.5,
s2=1.9
 
A. ±2.492
 
B. ±2.797
 
C. ±1.711
 
D. ±2.064
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